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5_Mean_Filter.cpp
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5_Mean_Filter.cpp
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#include "opencv2/opencv.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/core.hpp"
using namespace cv;
using namespace std;
int main(int argc, char* argv[]) {
Mat image = imread(argv[1], IMREAD_GRAYSCALE);
if (!image.data) {
cout << "Could not find the image! " << endl;
return -1;
}
Mat meanImg = image.clone();
int k = atoi(argv[2]);
int adj = k / 2;
//-----------------------------MEAN FILTERING----------------------------
int sum;
double avg;
for (int i = adj; i < image.rows - adj; i++) {
for (int j = adj; j < image.cols - adj; j++) {
sum = 0;
for (int g = i - adj; g <= i + adj; g++) {
for (int h = j - adj; h <= j + adj; h++) {
sum = sum + (int)image.at<uchar>(g, h);
}
}
avg = sum / (k * k);
meanImg.at<uchar>(i, j) = (uchar)avg;
}
}
namedWindow("Image");
imshow("Image", image);
namedWindow("Mean Filter");
imshow("Mean Filter", meanImg);
waitKey(0);
return 0;
}